123
FNCA52 TJSJ 240730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST SUN MAY 24 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-242000-
SOUTHEAST COASTAL PLAINS-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 20 30
TEMP (24H TREND) 89 (+2) 72 (-1) 89
RH % (24H TREND) 55 (-4) 88 (+1) 50
WIND 20FT/EARLY(MPH) E 19 E 16 E 18
WIND 20FT/LATE(MPH) E 21 NE 13 E 19 G26
MIXING HGT(FT-AGL/MSL)5220 4940
TRANSPORT WND (MPH) E 18 E 21
VENT RATE (KT-FT) 83520 88920
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-242000-
SOUTHERN HILLS-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 20 40
TEMP (24H TREND) 85 (+3) 68 (-3) 87
RH % (24H TREND) 65 (-5) 96 (+5) 58
WIND 20FT/EARLY(MPH) E 14 E 14 E 16
WIND 20FT/LATE(MPH) E 16 E 14 E 16
MIXING HGT(FT-AGL/MSL)5990 5350
TRANSPORT WND (MPH) E 16 E 18
VENT RATE (KT-FT) 83860 85600
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-242000-
NORTH COASTAL PLAINS-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 20 50
TEMP (24H TREND) 88 (+2) 72 (-1) 89
RH % (24H TREND) 67 (-2) 95 (+2) 60
WIND 20FT/EARLY(MPH) E 18 E 20 E 17
WIND 20FT/LATE(MPH) E 23 E 16 E 21
MIXING HGT(FT-AGL/MSL)4810 5030
TRANSPORT WND (MPH) E 18 E 21
VENT RATE (KT-FT) 76960 90540
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-242000-
NORTHERN HILLS-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 50 20 50
TEMP (24H TREND) 86 (+2) 69 (-2) 87
RH % (24H TREND) 69 (0) 96 (+1) 61
WIND 20FT/EARLY(MPH) E 17 E 18 E 16
WIND 20FT/LATE(MPH) E 20 E 12 E 19
MIXING HGT(FT-AGL/MSL)5970 5370
TRANSPORT WND (MPH) E 15 E 16
VENT RATE (KT-FT) 77610 75180
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-242000-
WEST COAST-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 20 40
TEMP (24H TREND) 90 (+2) 71 (-1) 90
RH % (24H TREND) 63 (-3) 93 (+2) 58
WIND 20FT/EARLY(MPH) E 14 E 16 E 16
WIND 20FT/LATE(MPH) E 14 E 14 E 16
MIXING HGT(FT-AGL/MSL)5440 4830
TRANSPORT WND (MPH) E 10 E 13
VENT RATE (KT-FT) 48960 53130
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-242000-
EASTERN INTERIOR-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 40 60
TEMP (24H TREND) 85 (+2) 70 (-2) 87
RH % (24H TREND) 68 (-2) 95 (+1) 62
WIND 20FT/EARLY(MPH) E 14 E 17 E 16
WIND 20FT/LATE(MPH) E 16 E 17 E 17
MIXING HGT(FT-AGL/MSL)5540 5530
TRANSPORT WND (MPH) E 17 E 20
VENT RATE (KT-FT) 83100 94010
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-242000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 50 60
TEMP (24H TREND) 81 (+2) 68 (-2) 82
RH % (24H TREND) 73 (-3) 98 (+1) 70
WIND 20FT/EARLY(MPH) E 12 E 12 E 13
WIND 20FT/LATE(MPH) E 13 E 13 E 14
MIXING HGT(FT-AGL/MSL)3830 4470
TRANSPORT WND (MPH) E 20 E 21
VENT RATE (KT-FT) 65110 80460
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-242000-
CENTRAL MOUNTAIN RANGE-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 10 50
TEMP (24H TREND) 84 (+4) 66 (-3) 86
RH % (24H TREND) 71 (-3) 98 (+3) 61
WIND 20FT/EARLY(MPH) E 11 E 12 E 11
WIND 20FT/LATE(MPH) E 11 E 10 E 13
MIXING HGT(FT-AGL/MSL)6770 5960
TRANSPORT WND (MPH) E 13 E 13
VENT RATE (KT-FT) 74470 65560
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-242000-
CAYEY MOUNTAIN RANGE-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 40 60
TEMP (24H TREND) 81 (+1) 69 (-1) 82
RH % (24H TREND) 75 (0) 99 (+1) 68
WIND 20FT/EARLY(MPH) E 12 E 12 E 13
WIND 20FT/LATE(MPH) E 13 E 12 E 13
MIXING HGT(FT-AGL/MSL)4470 4670
TRANSPORT WND (MPH) E 20 E 21
VENT RATE (KT-FT) 75990 84060
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-242000-
VIEQUES-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 20 50
TEMP (24H TREND) 87 (0) 75 (-1) 87
RH % (24H TREND) 62 (0) 90 (-2) 63
WIND 20FT/EARLY(MPH) E 18 E 19 E 19
WIND 20FT/LATE(MPH) E 18 E 20 E 19
MIXING HGT(FT-AGL/MSL)3600 3680
TRANSPORT WND (MPH) E 23 E 25
VENT RATE (KT-FT) 72000 80960
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-242000-
CULEBRA-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 40
TEMP (24H TREND) 89 (+1) 76 (-1) 89
RH % (24H TREND) 60 (-3) 88 (-2) 60
WIND 20FT/EARLY(MPH) E 18 E 20 E 19
WIND 20FT/LATE(MPH) E 18 E 20 E 19
MIXING HGT(FT-AGL/MSL)3780 3680
TRANSPORT WND (MPH) E 23 E 25
VENT RATE (KT-FT) 75600 80960
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-242000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 60 0 30
TEMP (24H TREND) 89 (+1) 72 (-2) 90
RH % (24H TREND) 57 (0) 88 (+3) 53
WIND 20FT/EARLY(MPH) E 20 E 19 E 23
WIND 20FT/LATE(MPH) E 21 E 12 E 23 G30
MIXING HGT(FT-AGL/MSL)5530 5070
TRANSPORT WND (MPH) E 16 E 21
VENT RATE (KT-FT) 77420 91260
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-242000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 20
TEMP (24H TREND) 86 (+1) 75 (-1) 86
RH % (24H TREND) 66 (+1) 88 (0) 65
WIND 20FT/EARLY(MPH) E 19 E 21 E 19
WIND 20FT/LATE(MPH) E 19 E 21 E 19
MIXING HGT(FT-AGL/MSL)3640 3650
TRANSPORT WND (MPH) E 23 E 25
VENT RATE (KT-FT) 72800 80300
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-242000-
ST CROIX-
330 AM AST SUN MAY 24 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 20 20
TEMP (24H TREND) 87 (+1) 75 (-1) 87
RH % (24H TREND) 68 (+2) 89 (-1) 66
WIND 20FT/EARLY(MPH) E 19 E 19 E 19
WIND 20FT/LATE(MPH) E 18 E 19 E 19
MIXING HGT(FT-AGL/MSL)4640 4880
TRANSPORT WND (MPH) E 23 E 25
VENT RATE (KT-FT) 92800 107360
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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